Giáo trình sửa chữa màn hình LCD - Chương9

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Giáo trình sửa chữa màn hình LCD - Chương9

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Giáo trình sửa chữa màn hình LCD -

LCD Monitor Service Guide for L2 (Module) Repair Model: MM17D Series/MM19DE V1.0 RESTRICTIONS ON USE OF MATERIALS This manual is only for ASUS authorized service centers to repair ASUS LCD product. The documents are provided as is and no copy, reproduction or transfer shall be made without first acquiring prior written approval from ASUSTEK. All rights reserved 2Release Version List Version Issue Date Remarks v1.0 2006/7/25 First Release 3Index I. MM17D Series/MM19DE LCD Monitor Overview .1 II. Product Specification 2 III. MMI .3 Front side .3 Back side 4 IV. Menu & Operating Mode .5 V. Disassembly & Assembly 6 1. Precaution 6 2. Suggest Tools .7 3. Disassembly Procedure 8 3.1 Stand Subsystem 9 3.2 Board Subsystem .10 3.3 LCD Subsystem .17 4. Assemble Procedure .19 4.1 LCD Subsystem .20 4.2 Board Subsystem .22 4.3 Stand Subsystem 29 VI. HW Block Diagram .30 I. MM17D Series/MM19DE LCD Monitor Overview z 17’’/19’’ TFT Color LCD Monitor. z Recommended Resolutions: SXGA 1280X1024 @ 60Hz z 8ms (Tr+Tf) Quick Response Time z SPLENDEDTM Video Enhancement Technology z 5 Video Preset Modes Switched by Hotkey z 3 Skin-Tones Selection for Users’ Preference z VESA Display Data Channel (DDC) 1/2B Compliance z VESA Wall Mount Compliance (100X100) z EPA ENERGY STAR and Ergonomic Design z Cabel Binder and Compact Case Design for Space Saving. 2II. Product Specification Technical Specification MM17D Series MM19DE Panel Size 17.0’’ 19.0’’ Brightness (Max.) 400cd/m2 Contrast Ratio (Max.)600:1 700:1 Viewing Angle (H/V) 150/130 Max. Resolution SXGA 1280X1024@75Hz Pixel Pitch 0.264mm 0.294mm Display Color 16.2M Panel ZBD Yes No Spendid (Video Intelligence) Yes Inputs Analog 15-Pin D-Sub Tilt +20°~-5° Wall Mounting (VESA)Yes(100mm) ME Color Silver + Gray Gray or Black Security Kensington lock Yes Power Supply AC: 100~240V Power on mode <40W <55W Power Standy by mode <2W Net (WxHxD) 380x390x180 mm Dimension Packing (WxHxD) 435x156x134 mm Net 4.25kg 5.1kg Weight Gross 5.75kg 6.9kg Accessory D-SUB cable, Power cord, Quick Start Guide, User manual CD D-SUB cable, Audio cable, Power cord, Quick Start Guide, User manual CD Regulation Approval TCO99, Energy Star, UL/CUL, TUV-GS, CB, CE, FCC, CCC, BSMI, Gost-R, C-Tick, VCCI, ISO13406-2 ClassII, MIC 3III. MMI Front side 4Back side 1. AC Input Socket: This port connects the power connector form 120-240V power 2. Cable Binder 3. VGA (D-SUB) Port: This 15-pin port is for PV VGA connection 5IV. Menu & Operating Mode Menu Splendid Image Color (1) Scenery Mode (2) Text Mode (3) Theater Mode (4) Game Mode (5) Night Mode (1) Brightness (2) Contrast (1) RGB (2) Skin Tone (3) Color Temp Input Select System Setup (1) <VGA/DVI> (1) OSD Setup (2) Image Setup (3) Language (4) Information (5) Reset Supported Operating Mode STANDARD RESOLUTIONHORIZONTAL FREQUENCY VERTICAL FREQUENCY Dos-mode 640 × 350 31.47kHz 70Hz Dos-mode 720 × 400 31.47kHz 70Hz 640 × 480 31.47kHz 60Hz 640 × 480 35.00kHz 66.6Hz 640 × 480 37.50kHz 75Hz VGA 640 × 480 37.86kHz 72Hz 800 × 600 37.879kHz 60Hz 800 × 600 46.875kHz 75Hz 800 × 600 35.16kHz 56Hz 800 × 600 48.01kHz 72Hz SVGA 832 × 624 49.725kHz 75Hz 1024 × 768 48.363kHz 60Hz 1024 × 768 56.476kHz 70Hz XGA 1024 × 768 60.02kHz 75Hz 1280 × 1024 64.00kHz 60Hz SXGA 1280 × 1024 80.00kHz 75Hz 6V. Disassembly & Assembly 1. Precaution Please read the precautions as follows to prevent any damages to the LCD Monitor and also select the appropriate tools for disassembly and re-assembly.  Make sure all power connection is removed. Be sure that the LCD Monitor is in power off status.  Prepare soft cloth and sponge as working platform to place LCD monitor horizontally.  Hold LCD by the side carefully and DON’T touch or press panel directly.  Remove all rings, watches and any other metal objects from your hands which possible to cause scratch.  Always wear a ground strap or anti-static glove to protect the parts from static discharge. ESD (electro-static discharge) protection is required to guarantee the safety of product and personnel. 72. Suggest Tools Here are some tools that can be used for the LCD monitor’s service and repair. Philips-head Screwdriver Use a Philips-head screwdriver to fasten/remove the K- or B-typed screws P/N:N/A Gloves To protect LCD Panel and your hand P/N: (L) 16-003300131 (M) 16-003300130 C/D Disassembly Tool Use C/D Disassembly Tool to open cosmetic cover and avoid scratch. P/N: 13GV0400PZZZZ Spacer Screwdriver Use a spacer screwdriver to fasten/remove spacer screws or hex screws. P/N: N/A [...]... release 2 screws on D-SUB PORT 2 Remove 3 screws on MAIN BOARD, and 4 screws on POWER BOARD 3 Take out MAIN BOARD and POWER BOARD from SHIELDIND 15 4 Unplug Key Board cable and Inverter Cable 16 3.3 LCD Subsystem The illustrations below show how to disassemble LCD Subsystem 1 Separate LCD PANEL away from LCD BEZEL 2 Lift KEY PAD vertically to dismount form BEZEL 17 3 Remove 4 screws on LCD PANEL, and then... procedure of the LCD monitor Asus MM17D series/MM19DE LCD monitor consists of various subsystems This section describes the procedures for LCD monitor assembly In addition, the detailed assembly procedures of individual modules will be provided for your service needs The assembly procedure consists of the following steps: 4.1 LCD Subsystem 4.2 Board Subsystem 4.3 Stand Subsystem 19 4.1 LCD Subsystem The... the following steps: 4.1 LCD Subsystem 4.2 Board Subsystem 4.3 Stand Subsystem 19 4.1 LCD Subsystem The illustrations bellow shows the assembly Procedure of LCD Subsystem 1 Secure 4 screws on LCD PANEL 2 Mount KEY PAD 20 3 Mount the LCD PANEL with LCD BEZEL 21 4.2 Board Subsystem The illustrations below show the procedure of Board Subsystem assembly Main Board and Power Board 1 Connect the KEY BOARD...3 Disassembly Procedure Information in this section is to perform the disassembly procedure of the LCD monitor Depending on the failures, replace the defective parts accordingly Asus MM17D Series/MM19DE Monitor consists of various subsystems This section describes the procedures for LCD monitor disassembly In addition, the detailed disassembly procedures of individual subsystem will be provided... disassembly In addition, the detailed disassembly procedures of individual subsystem will be provided for your service needs The disassembly procedure consists of the following steps: 3.1 Stand Subsystem 3.2 LCD subsystem 3.3 Front Bezel subsystem 3.4 Board subsystem 8 3.1 Stand Subsystem The Illustration Below shows how to remove the stand subsystem 1 Unlock the clip and take out the base (A) A 2 Remove 4... cable from the hole on the left side of MAIN SHIELDING, and then assemble MAIN BOARD and POWER BOARD with MAIN SHIELDING, please be carefully with all cables 22 3 Secure 6 screws 4 Secure 2 screws on D-SUB PORT 23 Main Shielding 1 Connect LVDS CABLE 2 Mount the Main Shielding, and then pull down to lock it 24 3 Secure 3 screws 25 4 Insert LAMP CABLES 5 Connect KEY BOARD CABLE, and then install KEY BOARD . be used for the LCD monitor’s service and repair. Philips-head Screwdriver Use a Philips-head screwdriver to fasten/remove the K- or B-typed screws P/N:N/A. Regulation Approval TCO99, Energy Star, UL/CUL, TUV-GS, CB, CE, FCC, CCC, BSMI, Gost-R, C-Tick, VCCI, ISO1340 6-2 ClassII, MIC

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